﻿<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>纯css3四周旋转弹出菜单 </title>
  <link href="css/font-awesome.min.css" rel="stylesheet">
  <link rel="stylesheet" type="text/css" href="css/zzsc.css">
  <style type="text/css">
    .demo {
      padding: 2em 0;
      transform: translate3d(0, 0, 0);
    }

    .navbar {
      width: 150px;
      height: 150px;
      line-height: 150px;
      border-radius: 50%;
      background: #fff;
      margin: 70px auto;
      position: relative;
      cursor: pointer;
      text-align: center;
      font-size: 1.75em;
      font-weight: bold;
      color: #99b977;
      transition: 0.24s 0.2s;
    }

    .navbar:hover {
      background: rgba(255, 255, 255, 0.75);
    }

    .navbar .menu {
      list-style: none;
      padding: 0;
      margin: 0;
      position: absolute;
      top: -75px;
      left: -75px;
      border: 150px solid transparent;
      cursor: default;
      border-radius: 50%;
      transform: scale(0);
      transition: transform 1.4s 0.07s;
      z-index: -1;
    }

    .navbar:hover .menu {
      transition: transform 0.4s 0.08s, z-index 0s 0.5s;
      transform: scale(1);
      z-index: 1;
    }

    .navbar .menu li {
      position: absolute;
      top: -100px;
      left: -100px;
      transform-origin: 100px 100px;
      transition: all 0.5s 0.1s;
    }

    .navbar:hover .menu li {
      transition: all 0.6s;
    }

    .navbar .menu li a {
      width: 45px;
      height: 45px;
      line-height: 45px;
      border-radius: 50%;
      background: #fff;
      position: absolute;
      font-size: 60%;
      color: #99b977;
      transition: 0.6s;
    }

    .navbar:hover .menu li:nth-child(1) {
      transition-delay: 0.02s;
      transform: rotate(85deg);
    }

    .navbar:hover .menu li:nth-child(1) a {
      transition-delay: 0.04s;
      transform: rotate(635deg);
    }

    .navbar:hover .menu li:nth-child(2) {
      transition-delay: 0.04s;
      transform: rotate(125deg);
    }

    .navbar:hover .menu li:nth-child(2) a {
      transition-delay: 0.08s;
      transform: rotate(595deg);
    }

    .navbar:hover .menu li:nth-child(3) {
      transition-delay: 0.06s;
      transform: rotate(165deg);
    }

    .navbar:hover .menu li:nth-child(3) a {
      transition-delay: 0.12s;
      transform: rotate(555deg);
    }

    .navbar:hover .menu li:nth-child(4) {
      transition-delay: 0.08s;
      transform: rotate(205deg);
    }

    .navbar:hover .menu li:nth-child(4) a {
      transition-delay: 0.16s;
      transform: rotate(515deg);
    }

    .navbar:hover .menu li:nth-child(5) {
      transition-delay: 0.1s;
      transform: rotate(245deg);
    }

    .navbar:hover .menu li:nth-child(5) a {
      transition-delay: 0.2s;
      transform: rotate(475deg);
    }

    .navbar:hover .menu li:nth-child(6) {
      transition-delay: 0.12s;
      transform: rotate(285deg);
    }

    .navbar:hover .menu li:nth-child(6) a {
      transition-delay: 0.24s;
      transform: rotate(435deg);
    }

    .navbar:hover .menu li:nth-child(7) {
      transition-delay: 0.14s;
      transform: rotate(325deg);
    }

    .navbar:hover .menu li:nth-child(7) a {
      transition-delay: 0.28s;
      transform: rotate(395deg);
    }

    .navbar:hover .menu li:nth-child(8) {
      transition-delay: 0.16s;
      transform: rotate(365deg);
    }

    .navbar:hover .menu li:nth-child(8) a {
      transition-delay: 0.32s;
      transform: rotate(355deg);
    }

    .navbar:hover .menu li:nth-child(9) {
      transition-delay: 0.18s;
      transform: rotate(405deg);
    }

    .navbar:hover .menu li:nth-child(9) a {
      transition-delay: 0.36s;
      transform: rotate(315deg);
    }
  </style>
</head>

<body>
  <div class="demo">
    <div class="container">
      <div class="row">
        <div class="col-md-12">
          <div class="navbar">
            主菜单
            <ul class="menu">
              <li><a href="#" class="fa fa-facebook"></a></li>
              <li><a href="#" class="fa fa-google-plus"></a></li>
              <li><a href="#" class="fa fa-twitter"></a></li>
              <li><a href="#" class="fa fa-linkedin"></a></li>
              <li><a href="#" class="fa fa-pinterest"></a></li>
              <li><a href="#" class="fa fa-rss"></a></li>
              <li><a href="#" class="fa fa-instagram"></a></li>
              <li><a href="#" class="fa fa-skype"></a></li>
              <li><a href="#" class="fa fa-github"></a></li>
            </ul>
          </div>
        </div>
      </div>
    </div>
  </div>


</body>

</html>